The German‐Tanzanian Tendaguru Expedition 2000
Identifieur interne : 003168 ( Main/Exploration ); précédent : 003167; suivant : 003169The German‐Tanzanian Tendaguru Expedition 2000
Auteurs : Wolf-Dieter Heinrich [Allemagne] ; Robert Bussert [Allemagne] ; Martin Aberhan [Allemagne] ; Oliver Hampe [Allemagne] ; Saidi Kapilima [Tanzanie] ; Eckart Schrank [Allemagne] ; Stephan Schultka [Allemagne] ; Gerhard Maier [Canada] ; Emma Msaky [Tanzanie] ; Benjamin Sames [Allemagne] ; Remigius Chami [Tanzanie]Source :
- Fossil Record [ 1435-1943 ] ; 2001.
Descripteurs français
- Wicri :
- geographic : Tanzanie.
- topic : Sédimentologie.
English descriptors
- KwdEn :
Abstract
The celebrated fossil locality of Tendaguru (Tanzania, East Africa) has been well known for its unique Late Jurassic dinosaur assemblages since the early decades of the 20th century. Recently, within the scope of the German‐Tanzanian Tendaguru project, an expedition returned to Tendaguru with the aim of collecting microvertebrates, micro‐ and macroinvertebrates, plant fossils and new sedimentological and stratigraphical data. Applying a multidisciplinary research approach, the data collected were used to address various controversial issues regarding the Tendaguru Beds. These include their exact age, depositional environments and reconstructions of the palaeoecosystems in which the dinosaurs lived. Field work resulted in a new standard section for the Tendaguru Beds. Preliminary biostratigraphic results, based on ammonites, charophytes and palynomorphs, support a Late Kimmeridgian age for the Nerinea Bed, an early Tithonian age for the Trigonia smeei Bed, and an Early Cretaceous (possibly Valanginian to Hauterivian) age for the Trigonia schwarzi Bed. Facies analysis of the Tendaguru Beds indicates environments ranging from storm‐ and tide‐influenced, siliciclastic coastal barrier systems, ooid sand bar complexes and backbarrier tidal flats to sabkha‐like coastal plains with brackish lakes and pools. Sedimentological indicators of palaeoclimate and palynological data point to a subtropical to tropical climate with pronounced dry seasons. In concert with sedimentological data, quantitative palaeoecological analysis of macroinvertebrates helped to finetune understanding of environmental factors such as substrate conditions, salinity, sedimentation rate and water depth. Along with abundant microvertebrate remains and fragments of fusain and cuticles, these new data have considerably improved our knowledge of the fauna and flora found in the Tendaguru Beds, and provide a solid basis for developing a better understanding of the Late Jurassic and Early Cretaceous Tendaguru palaeoecosystems. To put the German‐Tanzanian Tendaguru expedition in perspective, a brief review of previous activities is given and future research objectives are outlined.
Url:
DOI: 10.1002/mmng.20010040113
Affiliations:
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Box 5233, Dar es Salaam</wicri:regionArea><wicri:noRegion>Dar es Salaam</wicri:noRegion></affiliation></author><author><name sortKey="Sames, Benjamin" sort="Sames, Benjamin" uniqKey="Sames B" first="Benjamin" last="Sames">Benjamin Sames</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Institut für Paläontologie, Freie Universität Berlin, Malteserstr. 74‐100, D‐12249 Berlin</wicri:regionArea><placeName><region type="land" nuts="3">Berlin</region><settlement type="city">Berlin</settlement></placeName></affiliation></author><author><name sortKey="Chami, Remigius" sort="Chami, Remigius" uniqKey="Chami R" first="Remigius" last="Chami">Remigius Chami</name><affiliation wicri:level="1"><country xml:lang="fr">Tanzanie</country><wicri:regionArea>Ministry of Natural Resources and Tourism, Antiquities Units, P.O. Box 2280, Dar es Salaam</wicri:regionArea><wicri:noRegion>Dar es Salaam</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Fossil Record</title><title level="j" type="abbrev">Fossil Record</title><idno type="ISSN">1435-1943</idno><idno type="eISSN">1860-1014</idno><imprint><publisher>Wiley‐VCH Verlag</publisher><pubPlace>Berlin</pubPlace><date type="published" when="2001">2001</date><biblScope unit="volume">4</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="223">223</biblScope><biblScope unit="page" to="237">237</biblScope></imprint><idno type="ISSN">1435-1943</idno></series><idno type="istex">D048F2D068CEFCECF7FCEC89BB22E3266C109CC6</idno><idno type="DOI">10.1002/mmng.20010040113</idno><idno type="ArticleID">MMNG20010040113</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1435-1943</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biostratigraphy</term><term>Gondwana</term><term>Lithostratigraphy</term><term>Mesozoic</term><term>Palaeobotany</term><term>Palaeoecology</term><term>Palaeozoology</term><term>Palynology</term><term>Sedimentology</term><term>Tanzania</term><term>Tendaguru</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Tanzanie</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Sédimentologie</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The celebrated fossil locality of Tendaguru (Tanzania, East Africa) has been well known for its unique Late Jurassic dinosaur assemblages since the early decades of the 20th century. Recently, within the scope of the German‐Tanzanian Tendaguru project, an expedition returned to Tendaguru with the aim of collecting microvertebrates, micro‐ and macroinvertebrates, plant fossils and new sedimentological and stratigraphical data. Applying a multidisciplinary research approach, the data collected were used to address various controversial issues regarding the Tendaguru Beds. These include their exact age, depositional environments and reconstructions of the palaeoecosystems in which the dinosaurs lived. Field work resulted in a new standard section for the Tendaguru Beds. Preliminary biostratigraphic results, based on ammonites, charophytes and palynomorphs, support a Late Kimmeridgian age for the Nerinea Bed, an early Tithonian age for the Trigonia smeei Bed, and an Early Cretaceous (possibly Valanginian to Hauterivian) age for the Trigonia schwarzi Bed. Facies analysis of the Tendaguru Beds indicates environments ranging from storm‐ and tide‐influenced, siliciclastic coastal barrier systems, ooid sand bar complexes and backbarrier tidal flats to sabkha‐like coastal plains with brackish lakes and pools. Sedimentological indicators of palaeoclimate and palynological data point to a subtropical to tropical climate with pronounced dry seasons. In concert with sedimentological data, quantitative palaeoecological analysis of macroinvertebrates helped to finetune understanding of environmental factors such as substrate conditions, salinity, sedimentation rate and water depth. Along with abundant microvertebrate remains and fragments of fusain and cuticles, these new data have considerably improved our knowledge of the fauna and flora found in the Tendaguru Beds, and provide a solid basis for developing a better understanding of the Late Jurassic and Early Cretaceous Tendaguru palaeoecosystems. To put the German‐Tanzanian Tendaguru expedition in perspective, a brief review of previous activities is given and future research objectives are outlined.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Canada</li><li>Tanzanie</li></country><region><li>Berlin</li></region><settlement><li>Berlin</li></settlement><orgName><li>Université technique de Berlin</li></orgName></list><tree><country name="Allemagne"><region name="Berlin"><name sortKey="Heinrich, Wolf Ieter" sort="Heinrich, Wolf Ieter" uniqKey="Heinrich W" first="Wolf-Dieter" last="Heinrich">Wolf-Dieter Heinrich</name></region><name sortKey="Aberhan, Martin" sort="Aberhan, Martin" uniqKey="Aberhan M" first="Martin" last="Aberhan">Martin Aberhan</name><name sortKey="Bussert, Robert" sort="Bussert, Robert" uniqKey="Bussert R" first="Robert" last="Bussert">Robert Bussert</name><name sortKey="Hampe, Oliver" sort="Hampe, Oliver" uniqKey="Hampe O" first="Oliver" last="Hampe">Oliver Hampe</name><name sortKey="Sames, Benjamin" sort="Sames, Benjamin" uniqKey="Sames B" first="Benjamin" last="Sames">Benjamin Sames</name><name sortKey="Schrank, Eckart" sort="Schrank, Eckart" uniqKey="Schrank E" first="Eckart" last="Schrank">Eckart Schrank</name><name sortKey="Schultka, Stephan" sort="Schultka, Stephan" uniqKey="Schultka S" first="Stephan" last="Schultka">Stephan Schultka</name></country><country name="Tanzanie"><noRegion><name sortKey="Kapilima, Saidi" sort="Kapilima, Saidi" uniqKey="Kapilima S" first="Saidi" last="Kapilima">Saidi Kapilima</name></noRegion><name sortKey="Chami, Remigius" sort="Chami, Remigius" uniqKey="Chami R" first="Remigius" last="Chami">Remigius Chami</name><name sortKey="Msaky, Emma" sort="Msaky, Emma" uniqKey="Msaky E" first="Emma" last="Msaky">Emma Msaky</name></country><country name="Canada"><noRegion><name sortKey="Maier, Gerhard" sort="Maier, Gerhard" uniqKey="Maier G" first="Gerhard" last="Maier">Gerhard Maier</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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